Windows 10: Search bar opening virus - Can’t solve even after deleting trojan with antivirus

Hello everyone!Please I would like some help with this. It started two days ago with the browser randomly opening new tabs redirecting to a page “highrevenuegate.com”. So did a scan and removed 3 trojan in Unistore folder 2 Trojan.genericKD67… and TrojanValyria8020. Then did the setting reset of Chrome and Edge browsers and all history cleaning. But keep continuing having another problem: now the search bar opens on it own as if the mouse were clicking on the bar to type. It happens every 3-4 minutes and it keep going compulsively for a minute can’t do any operation during this, and with e

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Can't find or delete Trojan Virus!

So lately i have spotted weird thing on my minecraft shortcut... It always deleted himself, not my worlds, mods,... but just the shortcut and the launcher to start it up. My cousin had this problem 2 years ago and said its a trojan i have been searching
all over the web but can not find anything... i have been running these virus scanners(all on full if it was poseble): 360 Total security(With the extra virusdatabases), Rkill, Kaspersky, Malwarebytes. ofcoarse a trojan sneaks into files and make anti virus's
think other files are virus's and the virus himself ins't deleted.

I am pretty scared right know so pleas help me out. I'm not good with computing so pleas in steps

I hope there's a solution!

(I have been downloading mods if that can help but i don't have list of them anymore)

 

Antivirus

I see you've marked this problem as solved, but please read this regarding the "backdoor" trojan: Backdoor:MSIL/Bladabindi - Virus Lists and Removal Steps

 

Antivirus

I have read this, no it is not corrected. It is on 3 of my 5 computers and Malwarebytes cannot seem to discover it.?????